// Copyright (C) 2025 Kumo inc.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//

#ifndef ROTHAR_PEGTL_INTERNAL_REQUIRE_HPP
#define ROTHAR_PEGTL_INTERNAL_REQUIRE_HPP

#include "../config.hpp"

#include "enable_control.hpp"
#include "success.hpp"

#include "../type_list.hpp"

namespace rothar::internal
{
   template< unsigned Amount >
   struct require;

   template<>
   struct require< 0 >
      : success
   {};

   template< unsigned Amount >
   struct require
   {
      using rule_t = require;
      using subs_t = empty_list;

      template< typename ParseInput >
      [[nodiscard]] static bool match( ParseInput& in ) noexcept( noexcept( in.size( 0 ) ) )
      {
         return in.size( Amount ) >= Amount;
      }
   };

   template< unsigned Amount >
   inline constexpr bool enable_control< require< Amount > > = false;

}  // namespace rothar::internal

#endif
